1. Click Access Control on the Edit System Settings window.
2. Do one of the following:
From
the Tools menu, select Edit Selected 
.
Double-click a user in the Login column.
3. Select the required user/node.
4. Click OK.
The Access Control window appears, displaying the selected user in the Access Control pane.
The Access Control pane on the left displays a view-only hierarchical tree that shows the currently selected user.
The Tag/Value pane on the right lets you add, update, or remove a restriction for the selected user. If the selected user has existing restrictions, they appear in this pane.
5. Add, update, or remove restrictions for the selected user.
NOTE: All users must be assigned to a group. Users with no configured restrictions on the user or group levels are allowed full access to all Workflow Manager data.
See these topics: